保持不变英文怎么说短语
时间：
"Maintain constant" 是保持不变的英文短语。
来源：该短语是由两个单词组成的，"maintain" 意为"维持、保持"，"constant" 意为"不变的、恒定的"。
例句：
The temperature must be maintained constant in order for the experiment to be successful. (温度必须保持不变才能使实验成功。)
To achieve optimal performance, the engine requires a constant fuel pressure to be maintained. (为了达到最佳性能，发动机需要保持恒定的燃油压力。)
The company's goal is to maintain a constant level of customer satisfaction. (公司的目标是保持客户满意度的恒定水平。)
来源：该短语是由两个单词组成的，"maintain" 意为"维持、保持"，"constant" 意为"不变的、恒定的"。
例句：
The temperature must be maintained constant in order for the experiment to be successful. (温度必须保持不变才能使实验成功。)
To achieve optimal performance, the engine requires a constant fuel pressure to be maintained. (为了达到最佳性能，发动机需要保持恒定的燃油压力。)
The company's goal is to maintain a constant level of customer satisfaction. (公司的目标是保持客户满意度的恒定水平。)